Quick answer: if your car clicks, cranks slowly or shows dim dash lights, the battery is the likely culprit. You can jump-start it safely with cables and a working vehicle by following the connection order below. If it won’t start after a boost, or the battery is cracked, leaking or swollen, call for a professional battery boost or tow.
Is it really the battery?
- Clicking with no crank usually means low battery voltage.
- Slow, laboured cranking, especially on a cold Ontario morning, is a classic weak-battery sign.
- Dim headlights and dash lights point to a drained battery.
- Lights work but no crank or click may be a starter, ignition or security-system issue instead.
Check the simple things first
- Make sure the vehicle is fully in Park (or Neutral for a manual).
- Look for an interior light, headlight or accessory that was left on.
- Check the battery terminals for corrosion or a loose clamp, without touching them with metal tools.
- If you have a push-button start, the key fob battery could be weak. Hold the fob against the start button.
How to jump-start safely
- Park the working vehicle close by, without the vehicles touching, and turn both engines off.
- Connect red (+) to the dead battery’s positive terminal.
- Connect the other red (+) to the good battery’s positive terminal.
- Connect black (–) to the good battery’s negative terminal.
- Connect the last black (–) to bare, unpainted metal on the dead car’s engine block, away from the battery.
- Start the working vehicle, wait a few minutes, then try the dead vehicle.
- Once it starts, remove the cables in reverse order and keep the engine running for at least 20–30 minutes.
Always follow your owner’s manual. Some hybrids and newer vehicles have dedicated jump points or special instructions.
When not to jump-start
- The battery case is cracked, leaking or bulging.
- You smell rotten eggs (sulphur) near the battery.
- You’re on a busy highway shoulder with traffic passing close by.
- You’re not sure which terminal is which.
It started, so now what?
A battery that needed a boost once will often fail again, especially in winter. Have the battery and charging system tested soon. Most batteries last about three to five years.
Need a battery boost?
Olympic Towing provides jump starts and light duty towing 24/7 across Peel and York Region. If a boost doesn’t solve it, we can tow your vehicle to the shop of your choice. Call 416-356-2900.